1-10

Question 1

What blood group is a universal donor?

A
B
AB
O

Answer 1

O

Question 2

Blood oxygen levels are most likely low when the blood….

A. Leaves the aorta
B. Fills the right atrium
C. Reaches body tissues
D. Flows through arteries

Answer 2

B. Fills the right atrium

Question 3

An intracellular chemical signal can be produced in the cell membrane. Once it is produced, where does it go?

A. To a different cell
B. To another part of the same cell
C. To a region right outside the cell
D. To an area with a high ion concentration

Answer 3

B. To another part of the same cell

Question 4

After food has been masticated in the oral cavity, where does it go next?

A. Colon
B. Liver
C. Pancreas
D. Pharynx

Answer 4

D. Pharynx

Question 5

The diffusion of nutrients through the walls of the digestive system is critical to homeostasis in the body. Where does the majority of this diffusion take place in the digestive system?

A. Stomach
B. Esophagus
C. Oral cavity
D. Small intestines

Answer 5

D. Small intestines

Question 6

As soon as an invader, known as … , enters the body begins to fight.

A. Antibody
B. Pathogen
C. Trigger
D. Vaccination

Answer 6

B. Pathogen

Question 7

Where is skeletal muscle found?

A. Inside the heart
B. Attached to bone
C. Lining the walls of the bladder
D. Within the gastrointestinal tract

Answer 7

B. Attached to the bone

Question 8

If a person smells somethin sweet, what form of information is this initially perceived as in the nervous system?

A. Cognitive
B. Integrative
C. Motor
D. Sensory

Answer 8

D. Sensory

Question 9

While hiking, a person is startled after encountering a bear. Her palms get sweaty and her heart starts racing. Which part of her nervous system was directly stimulated?

A. Central
B. Parasympathetic
C. Somatic
D. Sympathetic

Answer 9

D. Sympathetic

Question 10

Which of the following types of tissues include cells of the immune system and of the blood?

A. Connective
B. Epithelial
C. Muscle
D. Neural

Answer 10

A. Connective