Facebook Instagram Linkedin Twitter Youtube

Welcome! Log into your account

your username

your password

Forgot your password? Get help

Password recovery

Recover your password

your email

A password will be e-mailed to you.

Biology Dictionary

COVID-19 Tracker
Topics
- Biology A-Z
  - Cell
  - Biochemistry
  - Human
  - Genetics
  - Zoology
  - Botany
  - Ecology
  - Anatomy & Physiology
  - Molecular
  - Microbiology
  - Neuroscience
- Articles
- Animal Kingdom
Tutorials
- AP Biology
- NGSS High School
News & Stories
Fun
- Quotes about Biology

Anatomy and Physiology Quiz 1

1. Which of the following organs is MOST LIKELY to be impaired if blood urea nitrogen levels are high?

A.Kidney

B.Lungs

C.Digestive system

2. Which of these is a function of the respiratory system?

A.Warm and humidify air

B.Immunity

C.Phonation

D.All of the Above

3. Which of these sections of the small intestine receives chyme from the stomach?

A.Duodenum

B.Jejunum

C.Ileum

D.Colon

4. In which of the following way does Aldosterone perform its roles in the human body?

A.It acts directly on water channels to stimulate water retention

B.It works via calcium ions that increase water absorption

C.It acts on salt by increasing the number of sodium channels in our nephrons to facilitate water retention

D.It acts on salt by decreasing the number of sodium channels in our nephrons to facilitate water retention

5. A fish heart has only two chambers: a single atrium and a single ventricle. Which of the following is a reason fish do not need a 4-chambered heart?

A.There is no reason, just random luck.

B.Gravity makes it harder for terrestrial animals to pump blood, so they must separate chambers.

C.Gills are more efficient than lungs at receiving oxygen.

6. Why do diseases involving abnormally folded proteins preferentially attack the nervous system?

A.There are more proteins in neurons

B.Neurons do not have the capacity to rectify misfolded proteins

C.Neurons have a limited capacity for regeneration

D.All of the above

7. What is the role of the pancreas within the endocrine system?

A.To produce digestive enzymes.

B.To produce hormones like insulin and glucagon.

C.Neither of these functions