exam four

Question 1

which of the following is false regarding the digestive system?

Answer 1

hindgut fermenters such as rabbits and horses must chew-the-cud to mechanically help with digestion

Question 2

*review the respiratory system diagram

Answer 2

pharynx, larynx, trachea, lungs, bronchi, bronchioles, alveoli, capillaries

Question 3

select 2 following answers that is true about hemoglobin…

Answer 3

1. protein containing metal found in red blood cells
2. carries oxygen

Question 4

which is the intermediate host for tapeworms that infect cats and dogs?

Answer 4

fleas

Question 5

what respiratory structures allow gas exchange with the circulatory system?

Answer 5

alveoli

Question 6

(t/f) a major function of stomach acid is to kill off most bacteria consumed

Answer 6

true

Question 7

all vertebrates fall into the phylum ____

Answer 7

chordata

Question 8

(t/f) sleeve gastrectomy is a bariatric surgical technique that bypasses the first portion of the small intestines

Answer 8

false

Question 9

which of the following is false regarding the cardiovascular system?

Answer 9

diastole is a result of atrial contraction

Question 10

(t/f) all vertebrates have a post anal tail during some portion of their development

Answer 10

true

Question 11

body cavities are important evolutionary features because…

Answer 11

fluid cushions and allows organs to move independently allowing for greater specialization

Question 12

once the eggs are deposited in nature, the route of infection for Ascaris infection is…

Answer 12

accidental swallowing eggs from the environment

Question 13

systolic pressure is…

Answer 13

when the ventricles of the heart contract

Question 14

what does the t-wave represent in the ECG?

Answer 14

reset of the heart

Question 15

select all of the following that is true about mammals (4)

Answer 15

feed young milk, bony exoskeleton, endothermic, internal fertilization

Question 16

select all the following that are functions of the pancreas (2)

Answer 16

neutralize acid from the stomach, maintains blood sugar levels

Question 17

which of the following is an amniote?

Answer 17

reptiles

Question 18

which of the following contains a swim bladder for buoyancy?

Answer 18

osteichthyans

Question 19

which of the following is not correct on HDL/LDL?

Answer 19

LDL in the blood pick up fatty deposits and carry it back to the liver

Question 20

cnidarians have a combined digestive system and circulatory system called a ____

Answer 20

gastrovascular cavity

Question 21

select all the following that are true regarding the phylum porifera (3)

Answer 21

lack true tissues, includes sponges, filter feeders

Question 22

which of the following has electro-receptors for detecting prey?

Answer 22

chondrichthyans

Question 23

(t/f) mollusks include snails, clams, oysters, octopuses, and squid

Answer 23

true

Question 24

open circulatory system are seen in the ____

Answer 24

arthropods

Question 25

once hookworm eggs hatch into larvae and are deposited in nature, the route of infection for humans is...

Answer 25

burrowing through the skin

Question 26

_____________ have the largest number of extinctions among all other animals groups

Answer 26

molluscs

Question 27

select all of the following that is true about reptiles (4)

Answer 27

internal fertilization, bony exoskeleton, fingernail-like scaly skin, shelled eggs

Question 28

which of the following is not correct on blood plasma?

Answer 28

blood plasma is usually eliminated when giving blood

Question 29

(t/f) blood contains 2 parts, formed elements and liquid

Answer 29

true

Question 30

match photoautotroph, photoheterotroph, chemoheterotroph, chemoautotroph

Answer 30

photoautroph = using energy from light, obtaining carbon from inorganic molecules such as CO2 chemoautotroph = both energy and carbon source are inorganic molecules photoheterotroph = uses light energy to obtain organic molecules chemoheterotroph = both energy and carbon come from acquiring organic molecules

Question 31

match the following parts of the egg (answers may be used more than once) amnion, chorion, yolk, yolk, albumin, allantois

Answer 31

amnion = protection chorion = part of the placenta in mammals yolk = nourishment albumin = nourishment allantois = collects waste

Question 32

Once the tapeworm eggs hatch in the pig or cow digestive tract, the larvae will migrate and lodge in the ____________ of the pig or cow

Answer 32

muscles

Question 33

Which of the following has 4 chambered hearts?

Answer 33

eagles, humans, alligators

Question 34

Stroke is disruption of blood flow to the _____________________

Answer 34

brain

Question 35

The pulmonary circuit delivers blood to the _______________

Answer 35

lungs

Question 36

Animals that have an exoskeleton with jointed appendages are...

Answer 36

arthropods

Question 37

Which of the following is false on pos/neg pressure breathing?

Answer 37

Frogs use negative pressure to force air down to the lungs from throat muscles

Question 38

where do the vocal cords sit?

Answer 38

larynx

Question 39

which of the following has a "nerve net" instead of a central nervous system?

Answer 39

jellyfish

Question 40

*review digestive tract diagram

Answer 40

salivary glands, liver, gall bladder, pancreas, mouth, esophagus, stomach, large intestine, small intestine, rectum, anus

Question 41

select all that is true about insects (2)

Answer 41

lay eggs on food source, have wings

Question 42

what agent emulsifies (i.e. helps homogenize) consumed fats and lipids?

Answer 42

bile

Question 43

(t/f) The purpose of bariatric surgery is to reduce the amount of food that can be consumed to lose weight without having to monitor caloric intake and exercise

Answer 43

false

Question 44

some animals (e.g. mollusks and some arthropods) have blue blood due to oxygen binding proteins that contain ___________

Answer 44

copper

Question 45

*review egg diagram

Answer 45

allantois, chorion, yolk, albumin, shell, amnion, embryo

Question 46

The circulatory system exchanges products with the tissues in the _______________

Answer 46

capillaries

Question 47

humans have _______ circulatory circuits.

Answer 47

2

Question 48

match the digestive organs with functions... mouth,stomach, small intestine, large intestine, liver, pancreas

Answer 48

mouth = break down of carbs stomach = break down of protein small intestine = main site of chemical digestion and absorbtion of all digestible food large intestine = site of water and mineral absorbtion and preparation of feces liver = produces bile and detoxifies aborbed substances pancreas = produces digestive enzymes

Question 49

What structure prevents food from entering the wind pipe when swallowing?

Answer 49

epiglottis