BIOL 1201 : Quiz 23

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azuremammoth471

15 Mar 2019

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Choose one answer: associated with the dna of target cells, in the cytoplasm of target cells, in the cell membrane of target cells, in the interstitial fluid surrounding target cells, in the nucleus of target cells. Choose one answer: acth and glucocorticoids, growth hormone and epinephrine, epinephrine and norepinephrine, thyroxine and calcitonin, insulin and glucagon. Choose one answer: changes in the intracellular levels of cytokines, regulation of cell volume. Correct: regulatory proteins present inside of the cell, regulation of the number of surface receptors, regulation of intracellular hormone levels. Frequently, very few molecules of a hormone are required to affect changes in a target cell. Choose one answer: they are used to communicate between different organisms, they are modified amino acids, peptides, or steroid molecules, they are produced by endocrine glands. Correct: they are carried by the circulatory system, they elicit specific biological responses from target cells. Every time you eat a cookie or candy bar, your blood sugar increases.

Related Questions

Which of the following is notone of the effects of muscle-building anabolic steroids?

A.	Cessation of menstrual periods in women
B.	Increased body and facial hair in women
C.	Reduced risk of cancer and heart disease in men
D.	Breast tissue diminution in women
E.	Kidney disease

Which of the following statementsabout hormones is true?

A.	The same hormone can cause different responses in differenttypes of cells.
B.	Whenever a hormone encounters a cell with a unbound receptor towhich it can bind, it can bind.
C.	The receptor for a hormone may be on the secreting cellitself.
D.	The receptor for a hormone may be in the plasma membrane orinside the cell.
E.	All of the above

Which of Wigglesworth's observationsof Rhodnius bugs helped explain the role of insecthormones?

A.	A blood meal triggers molting in these bugs.
B.	If decapitated immediately following a blood meal, the bug willmolt.
C.	When two bugs are connected, they molt simultaneously.
D.	When two bugs are connected, the feeding status of one cantrigger molting in the other.
E.	When two bugs are decapitated and connected, they do not moltinto adults.

Steroid hormones

A.	must bind to carrier proteins to be transported in the blood totheir target cells.
B.	bind with receptor proteins in the plasma membrane.
C.	are synthesized from epinephrine in the adrenal gland.
D.	are released from the cells that make them by exocytosis.
E.	are mostly derivatives of the amino acid tyrosine.

Which of the following is notone of the distinct chemical groups to which hormones belong?

A.	Steroids
B.	Proteins
C.	Peptides
D.	Carbohydrates
E.	Amines

Which of the following hormones isnot paired correctly with its target organ?

Oxytocin

turquoiseporpoise808

QuestionGroup: #37 CNS

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Homework

Which parts of the brain contribute to our social behavior?

Orbitofrontal cortex

Mirror neurons

Amygdala

All of these are correct

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QuestionGroup: #38 CNS2

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Part of the explanation of long term memory is which of the following?

Long term potentiation between neurons and muscle cells

Long term potentiation between neurons

Short term translation

Long term transcription

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QuestionGroup: #39 PNS

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The somatic component of the peripheral nervous system has which of the following characteristics?

It controls the smooth muscle in the blood vessels so that blood vessels can vasoconstrict or vasodilate

It controls the autonomic nervous system so it indirectly controls heart rate

It controls your skeletal muscle so you can answer this question by pushing on the keyboard

It controls the smooth muscle in your intestinal tract so it controls peristalsis

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QuestionGroup: #40 Smooth/skeletal

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Which of the following is NOT a part of a skeletal muscle cell?

Motor neurons

Nuclei

Sarcomeres

Actin

Myosin

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QuestionGroup: #41 Cardio

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Which part of the circulatory system has the highest pressure?

Veins

Capillaries

Arteries

Aorta

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QuestionGroup: #42 Cardio2

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Homework

Where do the electrical signals originate in your heart?

SA node

Internodal tracts

His-Purkinje System

AV node

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QuestionGroup: #43 Blood pressure

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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?

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.

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.

Medic is incorrect since there is a pulse. This means the person is still alive.

Medic is correct since there is no blood pressure there is no life.

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QuestionGroup: #44 Blood pressure2

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Which side of the capillary bed has the higher oncotic pressure?

venous and lymph

arterial and lymph

lymph

venule side

arterial side

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QuestionGroup: #45 Capillaries

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If the hydrostatic pressure is higher in the interstitial space rather than the capillary, which of the following will occur?

(2),(3)

(1),(2),(3)

(3) Decreased hydrostatic pressure in the arterial end of the capillary

(2) Decreased hydrostatic pressure in the venous end of the capillary

(1) No change in the hydrostatic pressure since this pressure is maintained regardless of external pressures.

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QuestionGroup: #46 Respiration/ ventilation

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Homework

The left atrium is damaged and is generating a great resistance to blood coming from pulmonary vein. What happens due to this pressure?

Back up of blood in the pulmonary artery which causes pulmonary capillary edema

Generation of back flow into the inferior vena cava

Generation of coronary artery edema

Back up of blood in the pulmonary vein which causes pulmonary capillary edema

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QuestionGroup: #47 Respiration/ventilation 2

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Edema in the pulmonary circulation refers to which of the following?

additional fluid in the trachea

additional interstitial fluid

additional surfactant

additional capillary fluid

additional intracellular fluid

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QuestionGroup: #48 Cell communication

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What is the definition of a signaling pathway?

All the proteins in the nucleus

All the cell molecules in the mitochondria

A group of genes that control mitosis

A specific chemical pathway that is activated by the ligand/receptor complex.

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QuestionGroup: #49 Hormone/ menstruation

Assigned as

Homework

Which hormone directly causes ovulation?

Follicle stimulating hormone

Lutenizing hormone

Progesterone

Estrogen

All of these

BIOL 1201 : Quiz 23

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