Correct answers are marked in bold.

QUIZ 2

Monday, Oct 21, 8:00-9:00 AM

1. Which of the following statements is true for all arteries?

A) carry blood away from the heart

B) carry blood towards the heart

C) carry oxygenated blood

D) carry deoxygenated blood

2. In mammals, the pulmonary blood circuit carries blood to the

A) heart

B) liver

C) lungs

D) brain

3. Which of the following organs is part of the digestive tube?

A) liver

B) pancreas

C) stomach

D) salivary gland

4. Trypsin is an enzyme involved in the digestion of which class(es) of nutrients?

A) protein

B) carbohydrate

C) fat

D) protein and fat

5. Blood is an example of which kind of tissue?

A) epithelium

B) muscle

C) nerve

D) connective tissue

Friday, Oct. 25, 8:00-9:00 AM

1. How would you describe an epithelium that is two cells thick, and composed of cells that are wider than they are tall?

A) simple squamous

B) simple columnar

C) stratified cuboidal

D) stratified squamous

2. In mammals, the aorta is a part of the

A) pulmonary circuit

B) systemic circuit

C) pacemaker

D) bundle branches

3. Which of the following is not a digestive gland?

A) liver

B) pancreas

C) esophagus

D) salivary gland

4. Which of the following enzymes is involved in the digestion of fat?

A) pepsin

B) lipase

C) amylase

D) chymotrypsin

5. Which kind(s) of muscle can contract without signals from the nervous system?

A) smooth

B) skeletal

C) cardiac

D) smooth and cardiac

Friday, Oct. 25 9:00-10:00 AM

1. How would you describe an epithelium that is one cell thick, and composed of cells whose height and width are equal?

A) simple squamous

B) stratified columnar

C) simple cuboidal

D) stratified squamous

2. Oops. There was a serious typo in this question, so all answers will be counted as correct.

3. Which of the following organs does not synthesize enzymes involved in the digestion of protein?

A) liver

B) pancreas

C) stomach

D) small intestine

4. Pepsinogen is cleaved to produce pepsin (= 'activated') by the secretion of which other chemical compound?

A) bile

B) bicarbonate

C) hydrochloric acid

D) mucus

5. Which of the following is not a connective tissue?

A) epidermis

B) tendon

C) bone

D) blood

Friday, Oct. 25 10:00-11:00 AM

1. How would you describe an epithelium that is one cell thick, and composed of cells whose height is greater than their width?

A) simple squamous

B) simple columnar

C) stratified cuboidal

D) stratified squamous

2. Which statement most accurately describes the location of the interstitial fluid?

A) in the lumen of the digestive tube

B) inside of blood vessels

C) outside blood vessels

D) inside of tissue cells

3. In the mammalian digestive tube, nutrient absorption is almost entirely restricted to the

A) stomach

B) small intestine

C) large intestine

D) liver

4. Which of the following enzymes is involved in the digestion of carbohydrates?

A) dipeptidase

B) lipase

C) chymotrypsin

D) amylase

5. Chondroitin sulfate and hydroxyapatite are both examples of

A) extracellular matrix

B) membrane proteins

C) basement membrane

D) minerals

Friday, Oct. 25 11:00-12:00 Noon

1. How would you describe an epithelium that is two cells thick, and composed of cells whose height and width are equal?

A) simple squamous

B) simple columnar

C) stratified cuboidal

D) stratified squamous

2. Which of the following structures is the pacemaker of the human heart?

A) apex

B) bundle branches

C) atrioventricular (AV) node

D) sinoatrial (SA) node

3. Which of the following structures secretes bicarbonate ions into the mammalian digestive tube?

A) gastric glands

B) pyloric sphincter

C) liver

D) pancreas

4. Which of the following cleaves proteins into shorter pieces?

A) amylase

B) lipase

C) peptidase

D) bile

5. Which of the following cell types secretes collagen fibers?

A) fibroblast

B) macrophage

C) adipocyte

D) neuron