4. Which of the following is involved in lipid digestion?
A. bile
TRUE or FALSE
Flatworms have complete digestive systems. ___
F
TRUE or FALSE
Salivary amylase is a protein digesting enzyme. ___
F
TRUE or FALSE
Vitamin K is synthesized by resident bacteria in the human duodenum. ___
F
TRUE or FALSE
Digestion of carbohydrates starts in the mouth. ___
T
Which of the blood components below contains the oxygen-transporting protein hemoglobin?
C) red blood cells
Respiration is controlled by sensors and effectors in the brain and carotid arteries that respond to a rise in _______ by _______ the rate of breathing.
B) CO2; increasing
Which ABO blood type is known as the universal donor?
B) O
Which of the following is not a component of plasma
C) red blood cells
Which of the following is NOT involved in the formation of a blood clot?
a) albumin
b) fibrinogen
c) thrombin
d) fibrin
* a) albumin
Four of the five answers listed below are components of the human respiratory system. Select the exception.
What is the hormone that stimulates the bone marrow to produce more red blood cells?
a) platelets
b) erythropoietin
c) insulin
d) TSH(Thyroid Stimulating Hormone)
e) esophagus
D) esophagus
Excitation for a heartbeat is initiated in the:
a) sinoatrial (SA) node
b) atrioventicular(AV) node
c) atrioventicular(AV) valve
d) semilunar valve
sinoatrial (SA) node
True or False
Plasma is the cellular portion of blood___
F
True or False
Humans have open circulatory system___
F
True or False
Gas exchange takes place in alveoli. ___
T
____ bradycardia
. a slower than normal heart rate
____ right atrium
receives blood from body
____ left atrium
receives blood from lungs
____ right ventricle
pumps blood to lungs
____ left ventricle
pumps blood to body
____ tachycardia
a faster than normal heart rate
____Are barriers to pathogens at body surfaces.
D) all of the above
_MHC_____ are molecules that macrophages recognize as self and will not elicit an immune response.
D) MHC
Macrophages are derived from____
A) monocytes
Immunoglobulins designated_IgE__is involved in histamine release.
B) IgE
5. Memory cells are__________ that function in___________.
A) B cells; retaining the ability to make an antibody used to fight a previous infection
TRUE or FALSE
Eosinophils are the most abundant leukocytes(WBC ) in blood.
F
TRUE or FALSE
Inflammation is a non-specific immune response.
T
TRUE or FALSE
T-cell lymphocytes originate and mature in the bone marrow.
F
TRUE or FALSE
Activated complement system is a part of the first line of defence.
F
TRUE or FALSE
Effector helper T-cells are needed for antibody mediated immune response.
T
Digestive organ that is responsible for re-absorption of water and the concentration of
food residues:
C. large intestine
Which of the following molecules digests proteins?
A. pepsin
Four of the five answers listed below are functions of the digestive organs. Select the exception.
E. gas exchange
4. Which of the following is involved in lipid digestion?
B. bile
TRUE or FALSE
Flatworms have complete digestive systems. ___
F
TRUE or FALSE
Salivary amylase is a protein digesting enzyme. ___
F
TRUE or FALSE
Vitamin K is synthesized by resident bacteria in the human duodenum. ___
F
TRUE or FALSE
Digestion of carbohydrates starts in the mouth. ___
T
Lateral roots are the product of the:
a) apical meristem
b) epidermis
c) pericycle
d) endodermis
e) vascular cylinders
c) pericycle
Stomata are responsible for:
a) water escape from the leaves
b) carbon dioxide entry
c) mineral absorption
d) a & b
e) a & b & c
* d) a & b
Mesophyll consists of______
a) waxes and cutin
b) cork
c) thick cell wall
d) photosynthetic cells
d) photosynthetic cells
apical meristem
source of primary growth(lengthwise)
xylem
conducts water
phloem
conducts sugars
lateral meristem
source of secondary growth(girthwise)
True or False Procambium gives rise to vascular tissue.
___T___
.True or False Monocots have netlike leaf veins
.__F____
.True or False Parenchyma is dermal tissue.
___F___
.True or False Dicots have tap root system.
___T___
ethylene
promotes fruit ripening
abscisic acid(ABA
inhibits plant growth
Auxin
promotes plant growth
Two species in the same habitat can coexist when they:
a) differ in their use of resources
b) share the same resource in different ways
c) use the same resource at different times
d) all of the above
d) all of the above
which of the following is not a type of symbiosis?
a) predation
b) parasitism
c) commensalism
d) mutualism
a) predation
The brown headed cowbird is an example of a:
a) microparasite
b) hemiparasite
c) social parasite
d) all of the above
c) social parasite
The revegetation of the area that was burnt by the recent fires is an example of:
a) primary succession
b) secondary succession
c) resource partitioning
d) all of the above
B) secondary succession
TRUE OR FALSE
Lice are ectoparasites.
T
TRUE OR FALSE
Mistletoe is an example of a hemiparasite.
T
TRUE OR FALSE
In commensalism both species benefit.
F
TRUE OR FALSE
Biodiversity tends to be higher in the polar regions and lower in the tropics.