UExcel Anatomy and Physiology 3

Question 1

The bicarbonate buffer system in the blood primarily regulates:

Accepted Answer

Blood pH

Answer

Blood glucose levels

Answer

Oxygen saturation

Answer

Plasma osmolarity

Question 2

Which type of cartilage is found in the intervertebral discs?

Accepted Answer

Fibrocartilage

Answer

Hyaline cartilage

Answer

Elastic cartilage

Answer

Articular cartilage

Question 3

During depolarization of a neuron, which ion rapidly moves INTO the cell?

Accepted Answer

Sodium (Na+)

Answer

Potassium (K+)

Answer

Chloride (Cl−)

Answer

Calcium (Ca2+)

Question 4

Which organ produces bile salts used in fat digestion?

Accepted Answer

Liver

Answer

Pancreas

Answer

Gallbladder

Answer

Small intestine

Question 5

Which hormone, produced by the adrenal cortex, promotes sodium retention and potassium excretion by the kidneys?

Accepted Answer

Aldosterone

Answer

Cortisol

Answer

Epinephrine

Answer

Antidiuretic hormone (ADH)

Question 6

The SA node initiates the heartbeat and is located in the:

Accepted Answer

Right atrium

Answer

Left ventricle

Answer

Interventricular septum

Answer

Left atrium

Question 7

Which cellular organelle is responsible for packaging and modifying proteins for secretion?

Accepted Answer

Golgi apparatus

Answer

Rough endoplasmic reticulum

Answer

Mitochondria

Answer

Lysosome