CLEP Biology Vertebrate Organ Systems 2

Question 1

Which structure in the kidney is responsible for the initial filtration of blood?

Accepted Answer

Glomerulus

Answer

Loop of Henle

Answer

Collecting duct

Answer

Distal convoluted tubule

Question 2

What is the primary function of the sinoatrial (SA) node in the heart?

Accepted Answer

Initiating the electrical impulse that sets heart rate

Answer

Pumping blood to the lungs

Answer

Preventing backflow of blood

Answer

Regulating blood pressure

Question 3

In the vertebrate digestive system, where does most chemical digestion and nutrient absorption occur?

Accepted Answer

Small intestine

Answer

Stomach

Answer

Large intestine

Answer

Esophagus

Question 4

Which hormone is produced by the adrenal medulla in response to stress?

Accepted Answer

Epinephrine

Answer

Cortisol

Answer

Aldosterone

Answer

Insulin

Question 5

What type of muscle tissue is found in the walls of blood vessels?

Accepted Answer

Smooth muscle

Answer

Skeletal muscle

Answer

Cardiac muscle

Answer

Striated muscle

Question 6

Which part of the brain controls basic life functions such as breathing and heart rate?

Accepted Answer

Medulla oblongata

Answer

Cerebrum

Answer

Cerebellum

Answer

Thalamus

Question 7

What is the role of erythropoietin (EPO) in the vertebrate body?

Accepted Answer

Stimulates red blood cell production

Answer

Stimulates white blood cell production

Answer

Regulates blood glucose levels

Answer

Controls blood pressure