Florida International University CHM4220 Test 2 Guide FAll 2023/2024(verified)

New Clicker Ques.ons

1. In vertebrates the notochord is
a) An important nerve system structure found in adults
b) An embryonic .ssue
c) Part of the never cord
d) The main part of vertebrate backbone

2. The neural crest originates from
a) The neural tube
b) The notochord
c) The ectoderm
d) None of the above are correct

3. Which of the following statements are correct?
a) Fish and amphibians together form one monophyleEc group
b) Fish form a paraphyle.c group
c) RepEles and mammals together form one monophyleEc group
d) All of the above are correct
e) None of the other opEons are correct

4. Fish:
a) Cannot produce aroma.c amino acids
b) Have open circulatory system
c) Always have swimming fins
d) All of the above are correct

5. Which of the following statements is correct about fish?
a) Gills evolved from jaws
b) Teeth evolved from scales
c) Sharks have external ferElizaEon
d) All of the above are correct
e) None of the above are correct

6. Which of the following groups of fish have muscles inside of their fins?
a) Sharks
b) Ray-finned fish
c) Lobe-finned fish
d) All of the above are correct
e) None of the above are correct

,7. Which of the following word pairs are correct?
a) Tiktaalik/lobe-finned fish
b) Tiktaalik/amphibians
c) Tiktaalik/ancestral fossil of tetrapods
d) None of the above are correct

8. RepEles with anapsis skull have ___ lateral holes for muscles to aWach.
a) 0
b) 1
c) 2
d) 3
e) None of the above are correct

9. Mammals derive from ___ repEles
a) Anapsis
b) Synapsis
c) Diapsis
d) None of the above are correct

10. Modern birds have
a) Only symmetric feathers
b) Very high number of bones
c) Many fused bones
d) None of the above are correct

11. Hooves and horns of mammals are made of:
a) Kera.n
b) ChiEn
c) Calcium carbonate
d) Collagen

12. Where does absorpEon of water mostly take place?
a) Stomach
b) Small intesEne
c) Large intes.ne
d) All of the above are correct

13. The interior of the digesEve track is known as:
a) Serosa
b) Epithelium
c) Lumen
d) Endogastron

, 14. Which of the following seal the larynx when you swallow foods?
a) Glo`s
b) EpigloIs
c) Soa palate
d) Interior part of the tongue

15. Which of the following statements are correct?
a) Low pH values acEvate pepsin into pepsinogen
b) Carbohydrates are digested in the stomach
c) Parietal cells segregate pepsinogen
d) All of the above are correct
e) None of the above are correct

16. The pancreas releases some enzymes in the duodenum. They need help to digest:
a) Proteins
b) Carbohydrates
c) Lipids
d) All of the above are correct
e) None of the above are correct, they only regulate sugar levels in blood.

17. Which of the following concepts pairs with glycogenolysis?
a) Breakdown of glucose
b) Breakdown of glycogen
c) Molecules are converted into glucose
d) None of these opEons are correct

18. Which of the following animals do not have circulatory system?
a) Sponges
b) Corals
c) Jelly fish
d) None of the above have circulatory system

19. Erythrocytes:
a) Are part of plasma
b) Have nuclei
c) Never contain hemoglobin
d) Are one of the formed elements of the blood

20. Which of the following statements is correct?
a) Arteries are always rich in oxygen
b) Veins always run from the rest of the body to the heart
c) SomeEmes arteries run from the rest of the body to the heart
d) All of the above are correct