
SKILLBOOSTER STAGE 1
Which of the following is the primary function of the mitochondrion in a cell?
Protein synthesis
Lipid storage
Energy production
DNA replication
What is the main role of ribosomes in the cell?
Transport of materials
Energy production
Protein synthesis
DNA replication
Which cell component is responsible for regulating what enters and leaves the cell?
Nucleus
Plasma membrane
Endoplasmic reticulum
Golgi apparatus
In which part of the cell does DNA replication occur?
Cytoplasm
Mitochondria
Nucleus
Golgi apparatus
The rough endoplasmic reticulum (RER) is associated with which of the following?
Lipid metabolism
Protein synthesis
Detoxification
DNA transcription
Which organelle is primarily involved in packaging and modifying proteins?
Lysosome
Nucleus
Golgi apparatus
Ribosome
An allied health student observes that a patient’s muscle cells are weak and fatigued. Which organelle of the cell, that provides energy, might be malfunctioning to cause this symptom?
Nucleus
Mitochondria
Ribosomes
Rough endoplasmic reticulum
A scientist observes a eukaryotic cell with non-functional ribosomes. What is the most likely consequence for this cell?
The cell will continue to function normally but with reduced ATP production.
The cell will struggle to maintain its shape due to defects in the cytoskeleton.
The cell will be unable to synthesize proteins, leading to impaired growth and eventual death.
The cell will compensate by using lysosomes to break down existing proteins for reuse.
A researcher is studying a cell that lacks rough endoplasmic reticulum (RER). Which process would most likely be impaired in this cell?
Energy production
Protein synthesis
DNA replication
Lipid metabolism
A scientist is observing a patient's liver cells under a microscope and notices an abundance of mitochondria. What function might these cells be performing at a high rate?
Protein synthesis
Detoxification of drugs
Cell division
Energy production
Which of the following structures is present in plant cells but absent in animal cells?
Lysosome
Cell wall
Centriole
Ribosome
Which organelle is responsible for photosynthesis in plant cells?
Mitochondrion
Chloroplast
Golgi apparatus
Endoplasmic reticulum
Which of the following statements correctly describes a difference between plant and animal cells?
Plant cells have a small central vacuole, while animal cells have a large one.
Animal cells have a cell wall, but plant cells do not.
Plant cells contain chloroplasts, while animal cells do not.
Both plant and animal cells have chloroplasts.
Why do plant cells require a large central vacuole?
To store waste materials
To maintain cell rigidity and support
To transport proteins
To facilitate cell division
An allied health student mistakenly identifies a cell as a plant cell due to its organelle structures. However, upon further analysis, he discover that the cell lacks chloroplasts and a large central vacuole but has lysosomes and centrioles. Based on this new evidence, what type of cell is the student most likely observing?
Bacterial cell
Animal cell
Plant cell
Fungal cell
If a nursing student is studying cells and notices the absence of a cell wall, which type of cell is likely being examined?
Bacterial cell
Animal cell
Plant cell
Fungal cell
A patient is diagnosed with a metabolic disorder that affects the mitochondria. How would this condition manifest differently in a plant cell compared to an animal cell?
Mitochondrial damage would affect both energy production and photosynthesis in plant cells.
Plant cells would be unaffected as they rely only on chloroplasts for energy production.
Both plant and animal cells would be equally affected since mitochondria are the site of cellular respiration.
The plant cell would die immediately due to the lack of ATP.
In a clinical setting, a patient’s tissue sample reveals cell walls, chloroplasts, and a large central vacuole. Based on this information, which type of tissue is most likely being analyzed?
Muscle tissue
Plant tissue
Nerve tissue
Connective tissue
A nursing student is tasked with comparing a plant cell and an animal cell. Which feature would the student prioritize in identifying the plant cell for a conclusive diagnosis?
Presence of lysosomes
Presence of ribosomes
Presence of chloroplasts
Presence of a plasma membrane
Given what you know about plant and animal cells, propose how a cell’s organelles might be adapted if a new type of photosynthetic animal was discovered. Which modification is most likely?
The animal would have chloroplasts for photosynthesis.
The animal would lose its mitochondria and replace them with chloroplasts.
The animal would require a central vacuole for photosynthesis.
The animal would develop a cell wall for added protection during photosynthesis.
Which of the following is the primary transport system responsible for moving glucose into cells?
Active transport
Facilitated diffusion
Osmosis
Simple diffusion
What molecule is commonly used to fuel active transport mechanisms?
ATP
Glucose
Oxygen
Carbon dioxide
Which of the following best describes facilitated diffusion?
Movement of molecules from low to high concentration without energy
Movement of molecules from high to low concentration with the help of transport proteins
Passive movement of water molecules
Use of vesicles to transport substances
In the context of osmosis, water moves across a semi-permeable membrane from an area of:
Low solute concentration to high solute concentration
High solute concentration to low solute concentration
Low water concentration to high water concentration
Equal water and solute concentration
A patient is given an intravenous solution that is hypertonic. What is the likely outcome for the cells in the patient’s body?
Cells will swell due to water influx
Cells will shrink due to water efflux
Cells will remain unchanged
Cells will burst due to pressure
Which of the following is a characteristic of lipids?
Solubility in water
High density
Energy storage
Lack of hydrogen atoms"
Which of the following statements is true about triglycerides?
They are soluble in water.
They are composed of three fatty acids and one glycerol.
They have a higher melting point than phospholipids.
They are found in the cell membrane.
Which type of lipid is known as "good cholesterol"?
VLDL
LDL
HDL
Triglycerides
Which of the following fatty acids is an omega-3 fatty acid?
Linoleic acid
Linolenic acid
Arachidonic acid
Palmitic acid
What type of bond is most commonly found in saturated fatty acids?
Double bond
Single bond
Triple bond
Peptide bond
Which of the following is the basic chemical structure of a carbohydrate?
AMINO ACIDS
FATTY ACIDS
MONOSACCHARIDES
NUCLEOTIDES
Which carbohydrate is primarily used by the human body for energy?
FRUCTOSE
SUCROSE
GLUCOSE
LACTOSE
Which lipid is used as a major energy storage molecule in adipose tissue?
Phospholipids
Cholesterol
Triacylglycerols
Sphingolipids
Which of the following is a polysaccharide that serves as a storage form of glucose in humans?
CELLULOSE
GLYCOGEN
STARCH
CHITIN
Carbohydrates are classified into monosaccharides, disaccharides, and polysaccharides based on what feature?
THEIR ABILITY TO DISSOLVE IN WATER
THE NUMBER OF SUGAR UNITS THEY CONTAIN
THEIR ABILITY TO FORM ACIDS
THEIR REACTION WITH PROTEINS
A nurse observes that a patient with lactose intolerance experiences gastrointestinal distress after consuming dairy products. This is due to the inability to break down which disaccharide?
SUCROSE
MALTOSE
LACTOSE
FRUCTOSE
Which of the following lipids is non-saponifiable?
Triglycerides
Phospholipids
Cholesterol
Glycolipids
A patient is prescribed a low-carbohydrate diet to manage type 2 diabetes. The nurse should assess the patient for potential risks, including:
DECREASED INSULIN RESISTANCE
INCREASED RISK OF KETOSIS
DECREASED FAT METABOLISM
INCREASED BLOOD SUGAR LEVELS
A patient undergoing treatment for glycogen storage disease needs careful monitoring of their blood glucose levels. This is because their body:
CANNOT EFFICIENTLY STORE GLUCOSE AS GLYCOGEN
CONVERTS GLUCOSE TO FAT TOO QUICKLY
CANNOT ABSORB GLUCOSE FROM THE BLOODSTREAM
PRODUCES TOO MUCH INSULIN
Which lipid is a major component of myelin sheaths?
Cholesterol
Sphingomyelin
Phosphatidylcholine
Triacylglycerol
What is the primary functional group found in all fatty acids?
Ketone
Alcohol
Carboxyl
Amine
Which of the following is considered an essential fatty acid?
Palmitic acid
Stearic acid
Linoleic acid
Lauric acid
What makes a fatty acid "saturated"?
It contains one or more double bonds between carbon atoms.
It has the maximum number of hydrogen atoms attached to carbon.
It has an alcohol functional group attached.
It contains a phosphate group.
In what way do unsaturated fatty acids differ from saturated fatty acids in terms of health effects?
Unsaturated fatty acids increase LDL cholesterol levels.
Unsaturated fatty acids decrease LDL cholesterol and increase HDL cholesterol.
Saturated fatty acids are more effective in reducing inflammation.
Both types of fatty acids have the same effect on cholesterol.
A nursing student is asked to identify the classification of a fatty acid with 18 carbon atoms and two double bonds. Which of the following is most likely the correct classification?
Saturated fatty acid
Monounsaturated fatty acid
Polyunsaturated fatty acid
Trans fatty acid
During nutrition counseling, a patient asks about the best sources of omega-3 fatty acids. Which food should the nursing student recommend?
Butter
Coconut oil
Flaxseed
Cheese
A patient with cardiovascular disease is advised to reduce their intake of trans fatty acids. Why are trans fatty acids harmful to health?
They raise HDL cholesterol and lower LDL cholesterol.
They lower both HDL and LDL cholesterol.
They raise LDL cholesterol and lower HDL cholesterol.
They have no effect on cholesterol levels.
When analyzing a patient's diet, a nursing student observes a high intake of saturated fats. Which of the following health risks is most associated with this dietary pattern?
Improved digestion
Reduced blood pressure
Increased risk of atherosclerosis
Lower cholesterol levels
A nursing student is reviewing a patient's dietary plan. The patient consumes both saturated and unsaturated fats. How should the student evaluate this in terms of cardiovascular health?
The patient should increase saturated fat intake for better heart health.
A balance of both types of fats is recommended for optimal health.
The patient should eliminate all fats to prevent heart disease.
The patient should focus primarily on consuming unsaturated fats.
A nursing student is asked to develop a patient education plan for reducing trans fats in the diet. Which recommendation would be most appropriate to include?
Replace butter with margarine.
Increase consumption of fried foods.
Choose products labeled "partially hydrogenated" oils.
Use olive oil instead of hydrogenated oils for cooking.