NSG 6005 Week 7 Practice Exam (100%
Correct) Graded A! |Verified| 2025
Release
What is the primary function of the circulatory system?
a. To regulate body temperature
b. To transport nutrients and oxygen to cells
c. To defend the body against infections
d. To assist in digesti...
NSG 6005 Week 7 Practice Exam (100%
Correct) Graded A! |Verified| 2025
Release
What is the primary function of the circulatory system?
a. To regulate body temperature
b. To transport nutrients and oxygen to cells
c. To defend the body against infections
d. To assist in digestion
Which of the following is a characteristic of a virus?
a. It can reproduce independently
b. It requires a host cell for replication
c. It contains both DNA and RNA
d. It has a cellular structure
What is the process by which plants convert sunlight into energy called?
a. Photosynthesis
b. Respiration
c. Carbon fixation
d. Chlorophyll absorption
In which part of the cell does glycolysis occur?
a. Nucleus
b. Cytoplasm
c. Mitochondria
d. Endoplasmic reticulum
1
, Which of the following is NOT a macromolecule?
a. Proteins
b. Carbohydrates
c. Water
d. Lipids
What is the main role of ribosomes in a cell?
a. Protein synthesis
b. Lipid production
c. DNA replication
d. Energy storage
Which organ is primarily responsible for filtering blood?
a. Heart
b. Lungs
c. Brain
d. Kidneys
What is the function of the myelin sheath?
a. To increase neurotransmitter release
b. To insulate axons and speed up nerve impulses
c. To produce hormones
d. To store calcium ions
Which of the following best describes the role of enzymes?
a. They act as catalysts to speed up chemical reactions
b. They are consumed in chemical reactions
c. They provide energy to cells
2
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