ATI - HESI Anatomy And Physiology Practice Test 1

Question 1

Which layer of the skin contains melanocytes responsible for producing pigment?

Accepted Answer

Stratum basale

Answer

Stratum corneum

Answer

Stratum granulosum

Answer

Stratum spinosum

Question 2

The sinoatrial (SA) node is located in which chamber of the heart?

Accepted Answer

Right atrium

Answer

Left ventricle

Answer

Left atrium

Answer

Right ventricle

Question 3

Which hormone is secreted by the posterior pituitary gland to promote water reabsorption in the kidneys?

Accepted Answer

Antidiuretic hormone (ADH)

Answer

Oxytocin

Answer

Aldosterone

Answer

Cortisol

Question 4

The process by which white blood cells move out of capillaries into surrounding tissue is called:

Accepted Answer

Diapedesis

Answer

Phagocytosis

Answer

Pinocytosis

Answer

Chemotaxis

Question 5

Which part of the brain is primarily responsible for coordinating voluntary muscle movements and maintaining balance?

Accepted Answer

Cerebellum

Answer

Cerebrum

Answer

Medulla oblongata

Answer

Thalamus

Question 6

Which type of joint allows the greatest range of motion in multiple directions?

Accepted Answer

Ball-and-socket joint

Answer

Hinge joint

Answer

Pivot joint

Answer

Saddle joint