Which statement about the extrinsic innervation of the heart is NOT true?
a. Sympathetic nerve stimulation of the heart increases the rate and force of the heart.
b. The cardiac centers are located in the medulla oblongata of the brain stem.
c. Parasympathetic nerve stimulation reduces the heartbeat.
d. Sympathetic impulses travel through the vagus nerve.
e. The vagus nerve is the tenth cranial nerve.
Answer: d. Sympathetic impulses travel through the vagus nerve.
You might also like to view...
Tubular reabsorption ________.
A) includes substances such as creatinine B) by active mechanisms usually involves movement against an electrical and/or chemical gradient C) by passive processes requires ATP to move solutes from the interior of the tubule to the blood D) is a way for the body to get rid of unwanted waste
The term "central dogma of molecular biology" was coined by a co-discoverer of the structure of DNA, Francis Crick. The term is used to define how information flows in biological systems. Which of the following statements about DNA, mRNA and proteins provide a simple definition of the "central dogma?"
A)mRNA can be copied into DNA to make protein. B)Proteins can provide the instructions for making other proteins. C)mRNA is a key in creating DNA. D)DNA allows the production of mRNA. mRNA allows for the production of protein.
A tissue transplant from one person to another (one who is not genetically identical) is a(n)
A. allograft. B. syngenetic graft. C. homograft. D. autograft. E. heterograft.
Which of the following plates is perforated to allow the passage of the olfactory nerves for the sense of smell?
A. Medial pterygoid plate B. Lateral pterygoid plate C. Perpendicular plate of the ethmoid bone D. Cribriform plate of the ethmoid bone