QuestionGroup: #37 CNS
Assigned as
Homework
37
Which parts of the brain contribute to our social behavior?
A
Orbitofrontal cortex
B
Mirror neurons
C
Amygdala
D
All of these are correct
Answered
Change your responses to resubmit
QuestionGroup: #38 CNS2
Assigned as
Homework
38
Part of the explanation of long term memory is which of the following?
A
Long term potentiation between neurons and muscle cells
B
Long term potentiation between neurons
C
Short term translation
D
Long term transcription
Answered
Change your responses to resubmit
QuestionGroup: #39 PNS
Assigned as
Homework
39
The somatic component of the peripheral nervous system has which of the following characteristics?
A
It controls the smooth muscle in the blood vessels so that blood vessels can vasoconstrict or vasodilate
B
It controls the autonomic nervous system so it indirectly controls heart rate
C
It controls your skeletal muscle so you can answer this question by pushing on the keyboard
D
It controls the smooth muscle in your intestinal tract so it controls peristalsis
Answered
Change your responses to resubmit
QuestionGroup: #40 Smooth/skeletal
Assigned as
Homework
40
Which of the following is NOT a part of a skeletal muscle cell?
A
Motor neurons
B
Nuclei
C
Sarcomeres
D
Actin
E
Myosin
Answered
Change your responses to resubmit
QuestionGroup: #41 Cardio
Assigned as
Homework
41
Which part of the circulatory system has the highest pressure?
A
Veins
B
Capillaries
C
Arteries
D
Aorta
Answered
Change your responses to resubmit
QuestionGroup: #42 Cardio2
Assigned as
Homework
42
Where do the electrical signals originate in your heart?
A
SA node
B
Internodal tracts
C
His-Purkinje System
D
AV node
Answered
Change your responses to resubmit
QuestionGroup: #43 Blood pressure
Assigned as
Homework
43
There was a horrific traffic accident and you run to help the victims. You feel a pulse from his carotid artery ,however the medic comes along and gets no blood pressure as he measures it from the arm. He claims the victim is dead. You think which of the following?
A
Medic is not correct since it is the difference between heart rate and blood pressure that determines life. No heart rate only means tha the sympathetics have stopped vasoconstricting the blood vessels.
B
Medic is correct since it is common to not have a blood pressure of 120/80 and no pulse due to stress as was discussed in class.
C
Medic is incorrect since there is a pulse. This means the person is still alive.
D
Medic is correct since there is no blood pressure there is no life.
Answered
Change your responses to resubmit
QuestionGroup: #44 Blood pressure2
Assigned as
Homework
44
Which side of the capillary bed has the higher oncotic pressure?
A
venous and lymph
B
arterial and lymph
C
lymph
D
venule side
E
arterial side
Answered
Change your responses to resubmit
QuestionGroup: #45 Capillaries
Assigned as
Homework
45
If the hydrostatic pressure is higher in the interstitial space rather than the capillary, which of the following will occur?
A
(2),(3)
B
(1),(2),(3)
C
(3) Decreased hydrostatic pressure in the arterial end of the capillary
D
(2) Decreased hydrostatic pressure in the venous end of the capillary
E
(1) No change in the hydrostatic pressure since this pressure is maintained regardless of external pressures.
Answered
Change your responses to resubmit
QuestionGroup: #46 Respiration/ ventilation
Assigned as
Homework
46
The left atrium is damaged and is generating a great resistance to blood coming from pulmonary vein. What happens due to this pressure?
A
Back up of blood in the pulmonary artery which causes pulmonary capillary edema
B
Generation of back flow into the inferior vena cava
C
Generation of coronary artery edema
D
Back up of blood in the pulmonary vein which causes pulmonary capillary edema
Answered
Change your responses to resubmit
QuestionGroup: #47 Respiration/ventilation 2
Assigned as
Homework
47
Edema in the pulmonary circulation refers to which of the following?
A
additional fluid in the trachea
B
additional interstitial fluid
C
additional surfactant
D
additional capillary fluid
E
additional intracellular fluid
Answered
Change your responses to resubmit
QuestionGroup: #48 Cell communication
Assigned as
Homework
48
What is the definition of a signaling pathway?
A
All the proteins in the nucleus
B
All the cell molecules in the mitochondria
C
A group of genes that control mitosis
D
A specific chemical pathway that is activated by the ligand/receptor complex.
Answered
Change your responses to resubmit
QuestionGroup: #49 Hormone/ menstruation
Assigned as
Homework
49
Which hormone directly causes ovulation?
A
Follicle stimulating hormone
B
Lutenizing hormone
C
Progesterone
D
Estrogen
E
All of these