The ion(s) or molecule(s) labeled F is (are)
A) CO2.
B) H2O.
C) O2.
D) H+.
E) 2H.
E) 2H.
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This figure shows the major cavities within the skull. Which number indicates the sphenoid sinus?
A. 1 B. 2 C. 3 D. 4 E. The sphenoid sinus is not shown on this figure.
Which of the following is incorrect pertaining to the lumbar cistern?
A) It contains CSF. B) It contains the cauda equina. C) It contains the internal filum terminale. D) It typically begins in adults at L2. E) It contains epidural fat.
The external os is the
A. opening of the cervix into the vagina. B. bone that supports the uterus during pregnancy. C. inferior portion of the central cavity. D. uterine tube attachment site. E. primary suspensory ligament for the uterus.
Which of the following is NOT true of the Weber test?
A. In the case of normal hearing, a person will hear the sound with equal loudness in both ears. B. This test can distinguish conduction or sensory deafness. C. If a person has conductive hearing impairment, the sound will be heard louder in the normal ear. D. The test is performed by placing a vibrating tuning fork against the midline of the forehead. E. All of these are true of the Weber test.