Administration of which of the following drugs would produce vasoconstriction of the gingival vessels?
a. Levonordefrin
b. Phentolamine
c. Epinephrine
d. Propranolol
e. Phenylephrine

(a), (c) and (e)

(a) and (b)

(a) and (c) only

(b), (d) and (e)

(b) and (d) only

1 explanations

Angelok890

vasoconstriction is a result of stimulation of the smooth muscle of the peripheral vasculatire, which is an alpha-1 stimulatory action. Of the options, (a), (c) and (e) are alpha-1 agonists. Phentoalmine is a nonselective alpha blocker and thus would cause vasodilation. Propranolol is a non-specific betablocker.

Only registered users can add explanations

Administration of which of the following drugs would produce vasoconstriction of the gingival vessels?
a. Levonordefrin
b. Phentolamine
c. Epinephrine
d. Propranolol
e. Phenylephrine

(a), (c) and (e)

(a) and (b)

(a) and (c) only

(b), (d) and (e)

(b) and (d) only

1 explanations

Angelok890

Similar questions:

Shortly after the administration of a local anesthetic for the removal of tooth 2.8, the patient complains of a tenseness in the left cheek and left cheek swelling is observed. What is the most likely diagnosis?

During the administration of local anesthesia, an intravascular injection will occur most often in a/an

Which of the following is/are associated with xerostomia?
1. Atropine administration.
2. Acute anxiety state.
3. Mikulicz's disease.
4. Sjögren's syndrome.

Shortly after the administration of a local anesthetic for the removal of tooth 2.8, the patient complains of a tense sensation in the left cheek and left cheek swelling is observed. The most likely diagnosis is

Cardiac arrhythmias are most commonly seen during administration of

Increased bleeding is associated with a prolonged administration of
1. Warfarin (Coumadin).
2. codeine.
3. acetylsalicylic acid.
4. acetaminophen.

Which of the following complications might occur after administration of a local anesthetic agent?
1. Convulsions.
2. Nausea.
3. Respiratory depression.
4. Cardiovascular collapse.

Administration of succinylcholine to a patient deficient in serum cholinesterase would most likely result in

The first sensation lost after administration of a local anesthetic is

Patient nausea during nitrous oxide administration is an indication that the patient

A known insulin-dependent diabetic patient feels unwell following the administration of a local anesthetic and becomes pale and sweaty. This condition does not respond to placing the patient in a supine position. The most likely cause is

Most anaphylactic reactions to penicillin occur
1. when the drug is administered parenterally.
2. within minutes after drug administration.
3. in patients who have already experienced an allergic reaction to the drug.
4. in patients with a negative skin test to penicillin allergy.

Gingival enlargement may result from the administration of
1. nifedipine.
2. cyclosporine.
3. phenytoin sodium.
4. prednisolone.

Member's benefits

Sign In

Administration of which of the following drugs would produce vasoconstriction of the gingival vessels?a. Levonordefrin b. Phentolamine c. Epinephrine d. Propranolol e. Phenylephrine

(a), (c) and (e)

(a) and (b)

(a) and (c) only

(b), (d) and (e)

(b) and (d) only

1 explanations

Angelok890

Similar questions:

Shortly after the administration of a local anesthetic for the removal of tooth 2.8, the patient complains of a tenseness in the left cheek and left cheek swelling is observed. What is the most likely diagnosis?

During the administration of local anesthesia, an intravascular injection will occur most often in a/an

Which of the following is/are associated with xerostomia?1. Atropine administration.2. Acute anxiety state.3. Mikulicz's disease.4. Sjögren's syndrome.

Shortly after the administration of a local anesthetic for the removal of tooth 2.8, the patient complains of a tense sensation in the left cheek and left cheek swelling is observed. The most likely diagnosis is

Cardiac arrhythmias are most commonly seen during administration of

Increased bleeding is associated with a prolonged administration of1. Warfarin (Coumadin).2. codeine.3. acetylsalicylic acid.4. acetaminophen.

Which of the following complications might occur after administration of a local anesthetic agent?1. Convulsions.2. Nausea.3. Respiratory depression.4. Cardiovascular collapse.

Administration of succinylcholine to a patient deficient in serum cholinesterase would most likely result in

The first sensation lost after administration of a local anesthetic is

Patient nausea during nitrous oxide administration is an indication that the patient

A known insulin-dependent diabetic patient feels unwell following the administration of a local anesthetic and becomes pale and sweaty. This condition does not respond to placing the patient in a supine position. The most likely cause is

Most anaphylactic reactions to penicillin occur1. when the drug is administered parenterally.2. within minutes after drug administration.3. in patients who have already experienced an allergic reaction to the drug.4. in patients with a negative skin test to penicillin allergy.

Gingival enlargement may result from the administration of1. nifedipine.2. cyclosporine.3. phenytoin sodium.4. prednisolone.

Administration of which of the following drugs would produce vasoconstriction of the gingival vessels?
a. Levonordefrin
b. Phentolamine
c. Epinephrine
d. Propranolol
e. Phenylephrine

Which of the following is/are associated with xerostomia?
1. Atropine administration.
2. Acute anxiety state.
3. Mikulicz's disease.
4. Sjögren's syndrome.

Increased bleeding is associated with a prolonged administration of
1. Warfarin (Coumadin).
2. codeine.
3. acetylsalicylic acid.
4. acetaminophen.

Which of the following complications might occur after administration of a local anesthetic agent?
1. Convulsions.
2. Nausea.
3. Respiratory depression.
4. Cardiovascular collapse.

Most anaphylactic reactions to penicillin occur
1. when the drug is administered parenterally.
2. within minutes after drug administration.
3. in patients who have already experienced an allergic reaction to the drug.
4. in patients with a negative skin test to penicillin allergy.

Gingival enlargement may result from the administration of
1. nifedipine.
2. cyclosporine.
3. phenytoin sodium.
4. prednisolone.